﻿#Region "Microsoft.VisualBasic::58e4deac6a48b0d96f6db35d0d715b02, Parallel\MemoryMap\UnmanageMemoryRegion.vb"

' Author:
' 
'       asuka (amethyst.asuka@gcmodeller.org)
'       xie (genetics@smrucc.org)
'       xieguigang (xie.guigang@live.com)
' 
' Copyright (c) 2018 GPL3 Licensed
' 
' 
' GNU GENERAL PUBLIC LICENSE (GPL3)
' 
' 
' This program is free software: you can redistribute it and/or modify
' it under the terms of the GNU General Public License as published by
' the Free Software Foundation, either version 3 of the License, or
' (at your option) any later version.
' 
' This program is distributed in the hope that it will be useful,
' but WITHOUT ANY WARRANTY; without even the implied warranty of
' MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
' GNU General Public License for more details.
' 
' You should have received a copy of the GNU General Public License
' along with this program. If not, see <http://www.gnu.org/licenses/>.



' /********************************************************************************/

' Summaries:

' Class UnmanageMemoryRegion
' 
'     Properties: memoryFile, size
' 
' /********************************************************************************/

#End Region

Imports System.Runtime.CompilerServices

Public Class UnmanageMemoryRegion

    Public Property memoryFile As String
    Public Property size As Integer

    ''' <summary>
    ''' It is an error memory mapping region?
    ''' </summary>
    ''' <returns></returns>
    Public ReadOnly Property isError As Boolean
        Get
            Return size < 0
        End Get
    End Property

    <MethodImpl(MethodImplOptions.AggressiveInlining)>
    Public Function GetMemoryMap() As MapObject
        Return MapObject.FromPointer(Me)
    End Function

    <MethodImpl(MethodImplOptions.AggressiveInlining)>
    Public Overrides Function ToString() As String
        Return $"{memoryFile} ({StringFormats.Lanudry(size)})"
    End Function

    <MethodImpl(MethodImplOptions.AggressiveInlining)>
    Public Shared Narrowing Operator CType(map As UnmanageMemoryRegion) As MapObject
        Return MapObject.FromPointer(map)
    End Operator

End Class
